The BlueSpot 35 PCE Brake Caliper Kit is used to wind back brake caliper pistons when servicing brake caliper or replacing brake pads. The left and right hand threaded rewind tools allow the easy return of the brake piston into the caliper to provide clearance for new brake pads. Manufactured from carbon steel for increased durability. Includes handy carrying case for quick and convenient storage.Package Contents - 1 x Right hand thread screw back tool, 1 x Left hand thread screw back tool, 4 x Caliper locating reaction plates, 24 x Adaptors/Caliper keys for different brake piston models, 6mm Hex key, 7mm Hex key, 3mm Pin punch, 5mm Pin punch, CV joint grease. Manufactured from carbon steel for increased durabilityUsed to wind back brake caliper pistons when servicing brake caliper or replacing brake padsLeft and right hand threaded rewind toolsIncludes handy carrying case for quick and convenient storage